Formation

Otsego County was one of three counties split off from Montgomery (the other two being Herkimer, and Tioga). Otsego County was officially established on February 16, 1791, with Cooperstown as its county seat, although at the time the village of Cherry Valley was much larger. The original county consisted of three large townships:

Research Tips

External links

Outstanding guide to Otsego County family history and genealogy resources (FamilySearch Research Wiki). Birth, marriage, and death records, censuses, wills, deeds, county and town histories, cemeteries, churches, newspapers, libraries, and genealogical societies.